Ответ:

111.

1. can

2. been able to

3. been able to

4. be able to

5. could

6. could

112.

1. could

2. couldn't

3. could

4. were able to

5. couldn't

6. was able to

113.

1. can't; Can't

2. will not be able to

3. could; couldn't

4. Can; could; can;t

5. will not be able to

6. could

Объяснение: